Finding the Fourth Proportional to 42,874.47, 64,192.86 and 32,312.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,874.47 : 64,192.86 = 32,312.52 : x
2. Step 2: Convert to fraction form
   42,874.47/64,192.86 = 32,312.52/x
3. Step 3: Cross multiply
   42,874.47x = 64,192.86 × 32,312.52
4. Step 4: Simplify right side
   42,874.47x = 2,074,233,072.61
5. Step 5: Solve for x
   x = 2,074,233,072.61/42,874.47
6. Step 6: Final answer
   x = 48,379.21