Finding the Fourth Proportional to 139,060,466.81, 191,913,143.74 and 91,935,665.09

Step by Step Solution

1. Step 1: Write the proportion equation
   139,060,466.81 : 191,913,143.74 = 91,935,665.09 : x
2. Step 2: Convert to fraction form
   139,060,466.81/191,913,143.74 = 91,935,665.09/x
3. Step 3: Cross multiply
   139,060,466.81x = 191,913,143.74 × 91,935,665.09
4. Step 4: Simplify right side
   139,060,466.81x = 17,643,662,508,060,264
5. Step 5: Solve for x
   x = 17,643,662,508,060,264/139,060,466.81
6. Step 6: Final answer
   x = 126,877,630.38