Finding the Fourth Proportional to 42,042,117.72, 58,046,809.92 and 27,193,434.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,042,117.72 : 58,046,809.92 = 27,193,434.78 : x
2. Step 2: Convert to fraction form
   42,042,117.72/58,046,809.92 = 27,193,434.78/x
3. Step 3: Cross multiply
   42,042,117.72x = 58,046,809.92 × 27,193,434.78
4. Step 4: Simplify right side
   42,042,117.72x = 1,578,492,139,746,577.25
5. Step 5: Solve for x
   x = 1,578,492,139,746,577.25/42,042,117.72
6. Step 6: Final answer
   x = 37,545,495.45