Finding the Fourth Proportional to 127,428.99, 191,148.35 and 65,026.59

Step by Step Solution

1. Step 1: Write the proportion equation
   127,428.99 : 191,148.35 = 65,026.59 : x
2. Step 2: Convert to fraction form
   127,428.99/191,148.35 = 65,026.59/x
3. Step 3: Cross multiply
   127,428.99x = 191,148.35 × 65,026.59
4. Step 4: Simplify right side
   127,428.99x = 12,429,725,059.49
5. Step 5: Solve for x
   x = 12,429,725,059.49/127,428.99
6. Step 6: Final answer
   x = 97,542.37