Finding the Fourth Proportional to 52,430, 72,302.88 and 34,502.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,430 : 72,302.88 = 34,502.72 : x
2. Step 2: Convert to fraction form
   52,430/72,302.88 = 34,502.72/x
3. Step 3: Cross multiply
   52,430x = 72,302.88 × 34,502.72
4. Step 4: Simplify right side
   52,430x = 2,494,646,023.83
5. Step 5: Solve for x
   x = 2,494,646,023.83/52,430
6. Step 6: Final answer
   x = 47,580.51