Finding the Fourth Proportional to 67,689,545.60, 93,499,196.52 and 55,976,127.71

Step by Step Solution

1. Step 1: Write the proportion equation
   67,689,545.60 : 93,499,196.52 = 55,976,127.71 : x
2. Step 2: Convert to fraction form
   67,689,545.60/93,499,196.52 = 55,976,127.71/x
3. Step 3: Cross multiply
   67,689,545.60x = 93,499,196.52 × 55,976,127.71
4. Step 4: Simplify right side
   67,689,545.60x = 5,233,722,964,613,456
5. Step 5: Solve for x
   x = 5,233,722,964,613,456/67,689,545.60
6. Step 6: Final answer
   x = 77,319,516.89