Finding the Fourth Proportional to 139,060,456.70, 191,913,129.78 and 91,935,654.92

Step by Step Solution

1. Step 1: Write the proportion equation
   139,060,456.70 : 191,913,129.78 = 91,935,654.92 : x
2. Step 2: Convert to fraction form
   139,060,456.70/191,913,129.78 = 91,935,654.92/x
3. Step 3: Cross multiply
   139,060,456.70x = 191,913,129.78 × 91,935,654.92
4. Step 4: Simplify right side
   139,060,456.70x = 17,643,659,273,111,692
5. Step 5: Solve for x
   x = 17,643,659,273,111,692/139,060,456.70
6. Step 6: Final answer
   x = 126,877,616.34