Finding the Fourth Proportional to 127,429, 191,166.56 and 52,507.48

Step by Step Solution

1. Step 1: Write the proportion equation
   127,429 : 191,166.56 = 52,507.48 : x
2. Step 2: Convert to fraction form
   127,429/191,166.56 = 52,507.48/x
3. Step 3: Cross multiply
   127,429x = 191,166.56 × 52,507.48
4. Step 4: Simplify right side
   127,429x = 10,037,674,325.87
5. Step 5: Solve for x
   x = 10,037,674,325.87/127,429
6. Step 6: Final answer
   x = 78,770.72