Finding the Fourth Proportional to 127,938,142.18, 191,789,507.39 and 69,560,510.86

Step by Step Solution

1. Step 1: Write the proportion equation
   127,938,142.18 : 191,789,507.39 = 69,560,510.86 : x
2. Step 2: Convert to fraction form
   127,938,142.18/191,789,507.39 = 69,560,510.86/x
3. Step 3: Cross multiply
   127,938,142.18x = 191,789,507.39 × 69,560,510.86
4. Step 4: Simplify right side
   127,938,142.18x = 13,340,976,111,416,300
5. Step 5: Solve for x
   x = 13,340,976,111,416,300/127,938,142.18
6. Step 6: Final answer
   x = 104,276,769.10