Finding the Fourth Proportional to 123,722,964.91, 170,718,711.78 and 71,501,916.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,722,964.91 : 170,718,711.78 = 71,501,916.34 : x
2. Step 2: Convert to fraction form
   123,722,964.91/170,718,711.78 = 71,501,916.34/x
3. Step 3: Cross multiply
   123,722,964.91x = 170,718,711.78 × 71,501,916.34
4. Step 4: Simplify right side
   123,722,964.91x = 12,206,715,047,366,134
5. Step 5: Solve for x
   x = 12,206,715,047,366,134/123,722,964.91
6. Step 6: Final answer
   x = 98,661,675.75