Finding the Fourth Proportional to 45,621.77, 62,985.87 and 42,798.11

Step by Step Solution

1. Step 1: Write the proportion equation
   45,621.77 : 62,985.87 = 42,798.11 : x
2. Step 2: Convert to fraction form
   45,621.77/62,985.87 = 42,798.11/x
3. Step 3: Cross multiply
   45,621.77x = 62,985.87 × 42,798.11
4. Step 4: Simplify right side
   45,621.77x = 2,695,675,877.78
5. Step 5: Solve for x
   x = 2,695,675,877.78/45,621.77
6. Step 6: Final answer
   x = 59,087.50