Finding the Fourth Proportional to 52,475.34, 72,415.52 and 28,602.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,475.34 : 72,415.52 = 28,602.02 : x
2. Step 2: Convert to fraction form
   52,475.34/72,415.52 = 28,602.02/x
3. Step 3: Cross multiply
   52,475.34x = 72,415.52 × 28,602.02
4. Step 4: Simplify right side
   52,475.34x = 2,071,230,151.35
5. Step 5: Solve for x
   x = 2,071,230,151.35/52,475.34
6. Step 6: Final answer
   x = 39,470.54