Finding the Fourth Proportional to 127,429.50, 191,167.32 and 52,507.98

Step by Step Solution

1. Step 1: Write the proportion equation
   127,429.50 : 191,167.32 = 52,507.98 : x
2. Step 2: Convert to fraction form
   127,429.50/191,167.32 = 52,507.98/x
3. Step 3: Cross multiply
   127,429.50x = 191,167.32 × 52,507.98
4. Step 4: Simplify right side
   127,429.50x = 10,037,809,815.21
5. Step 5: Solve for x
   x = 10,037,809,815.21/127,429.50
6. Step 6: Final answer
   x = 78,771.48