Finding the Fourth Proportional to 127,779.49, 191,758.17 and 52,900.02

Step by Step Solution

1. Step 1: Write the proportion equation
   127,779.49 : 191,758.17 = 52,900.02 : x
2. Step 2: Convert to fraction form
   127,779.49/191,758.17 = 52,900.02/x
3. Step 3: Cross multiply
   127,779.49x = 191,758.17 × 52,900.02
4. Step 4: Simplify right side
   127,779.49x = 10,144,010,829.79
5. Step 5: Solve for x
   x = 10,144,010,829.79/127,779.49
6. Step 6: Final answer
   x = 79,386.85