Finding the Fourth Proportional to 52,218, 72,061.20 and 29,862

Step by Step Solution

1. Step 1: Write the proportion equation
   52,218 : 72,061.20 = 29,862 : x
2. Step 2: Convert to fraction form
   52,218/72,061.20 = 29,862/x
3. Step 3: Cross multiply
   52,218x = 72,061.20 × 29,862
4. Step 4: Simplify right side
   52,218x = 2,151,891,554.40
5. Step 5: Solve for x
   x = 2,151,891,554.40/52,218
6. Step 6: Final answer
   x = 41,209.77