Finding the Fourth Proportional to 139,060,466.43, 191,913,143.22 and 91,935,664.71

Step by Step Solution

1. Step 1: Write the proportion equation
   139,060,466.43 : 191,913,143.22 = 91,935,664.71 : x
2. Step 2: Convert to fraction form
   139,060,466.43/191,913,143.22 = 91,935,664.71/x
3. Step 3: Cross multiply
   139,060,466.43x = 191,913,143.22 × 91,935,664.71
4. Step 4: Simplify right side
   139,060,466.43x = 17,643,662,388,516,128
5. Step 5: Solve for x
   x = 17,643,662,388,516,128/139,060,466.43
6. Step 6: Final answer
   x = 126,877,629.86