Finding the Fourth Proportional to 52,719.34, 72,753.60 and 28,848.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,719.34 : 72,753.60 = 28,848.10 : x
2. Step 2: Convert to fraction form
   52,719.34/72,753.60 = 28,848.10/x
3. Step 3: Cross multiply
   52,719.34x = 72,753.60 × 28,848.10
4. Step 4: Simplify right side
   52,719.34x = 2,098,803,128.16
5. Step 5: Solve for x
   x = 2,098,803,128.16/52,719.34
6. Step 6: Final answer
   x = 39,810.88