Finding the Fourth Proportional to 48,585.14, 72,621.34 and 42,210.04

Step by Step Solution

1. Step 1: Write the proportion equation
   48,585.14 : 72,621.34 = 42,210.04 : x
2. Step 2: Convert to fraction form
   48,585.14/72,621.34 = 42,210.04/x
3. Step 3: Cross multiply
   48,585.14x = 72,621.34 × 42,210.04
4. Step 4: Simplify right side
   48,585.14x = 3,065,349,666.25
5. Step 5: Solve for x
   x = 3,065,349,666.25/48,585.14
6. Step 6: Final answer
   x = 63,092.33