Finding the Fourth Proportional to 212,833,662.28, 293,718,996.83 and 118,756,026.61

Step by Step Solution

1. Step 1: Write the proportion equation
   212,833,662.28 : 293,718,996.83 = 118,756,026.61 : x
2. Step 2: Convert to fraction form
   212,833,662.28/293,718,996.83 = 118,756,026.61/x
3. Step 3: Cross multiply
   212,833,662.28x = 293,718,996.83 × 118,756,026.61
4. Step 4: Simplify right side
   212,833,662.28x = 34,880,901,003,460,224
5. Step 5: Solve for x
   x = 34,880,901,003,460,224/212,833,662.28
6. Step 6: Final answer
   x = 163,888,083.45