Finding the Fourth Proportional to 54,045.06, 74,602.62 and 42,530.10

Step by Step Solution

1. Step 1: Write the proportion equation
   54,045.06 : 74,602.62 = 42,530.10 : x
2. Step 2: Convert to fraction form
   54,045.06/74,602.62 = 42,530.10/x
3. Step 3: Cross multiply
   54,045.06x = 74,602.62 × 42,530.10
4. Step 4: Simplify right side
   54,045.06x = 3,172,856,888.86
5. Step 5: Solve for x
   x = 3,172,856,888.86/54,045.06
6. Step 6: Final answer
   x = 58,707.62