Finding the Fourth Proportional to 12,457,573,689.11, 17,191,558,882.31 and 7,105,405,034.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,457,573,689.11 : 17,191,558,882.31 = 7,105,405,034.39 : x
2. Step 2: Convert to fraction form
   12,457,573,689.11/17,191,558,882.31 = 7,105,405,034.39/x
3. Step 3: Cross multiply
   12,457,573,689.11x = 17,191,558,882.31 × 7,105,405,034.39
4. Step 4: Simplify right side
   12,457,573,689.11x = 122,152,989,031,256,113,152
5. Step 5: Solve for x
   x = 122,152,989,031,256,113,152/12,457,573,689.11
6. Step 6: Final answer
   x = 9,805,520,085.99