Finding the Fourth Proportional to 252,004.47, 378,080.55 and 74,516.10

Step by Step Solution

1. Step 1: Write the proportion equation
   252,004.47 : 378,080.55 = 74,516.10 : x
2. Step 2: Convert to fraction form
   252,004.47/378,080.55 = 74,516.10/x
3. Step 3: Cross multiply
   252,004.47x = 378,080.55 × 74,516.10
4. Step 4: Simplify right side
   252,004.47x = 28,173,088,071.86
5. Step 5: Solve for x
   x = 28,173,088,071.86/252,004.47
6. Step 6: Final answer
   x = 111,795.99