Finding the Fourth Proportional to 85,786,543.22, 128,607,490.71 and 37,227,816.77

Step by Step Solution

1. Step 1: Write the proportion equation
   85,786,543.22 : 128,607,490.71 = 37,227,816.77 : x
2. Step 2: Convert to fraction form
   85,786,543.22/128,607,490.71 = 37,227,816.77/x
3. Step 3: Cross multiply
   85,786,543.22x = 128,607,490.71 × 37,227,816.77
4. Step 4: Simplify right side
   85,786,543.22x = 4,787,776,098,758,320
5. Step 5: Solve for x
   x = 4,787,776,098,758,320/85,786,543.22
6. Step 6: Final answer
   x = 55,810,339.47