Finding the Fourth Proportional to 55,049,215.18, 75,855,978.72 and 42,583,610.32

Step by Step Solution

1. Step 1: Write the proportion equation
   55,049,215.18 : 75,855,978.72 = 42,583,610.32 : x
2. Step 2: Convert to fraction form
   55,049,215.18/75,855,978.72 = 42,583,610.32/x
3. Step 3: Cross multiply
   55,049,215.18x = 75,855,978.72 × 42,583,610.32
4. Step 4: Simplify right side
   55,049,215.18x = 3,230,221,438,254,692.50
5. Step 5: Solve for x
   x = 3,230,221,438,254,692.50/55,049,215.18
6. Step 6: Final answer
   x = 58,678,791.84