Finding the Fourth Proportional to 42,497,820.18, 58,645,259.55 and 25,099,797.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,497,820.18 : 58,645,259.55 = 25,099,797.78 : x
2. Step 2: Convert to fraction form
   42,497,820.18/58,645,259.55 = 25,099,797.78/x
3. Step 3: Cross multiply
   42,497,820.18x = 58,645,259.55 × 25,099,797.78
4. Step 4: Simplify right side
   42,497,820.18x = 1,471,984,155,460,613.75
5. Step 5: Solve for x
   x = 1,471,984,155,460,613.75/42,497,820.18
6. Step 6: Final answer
   x = 34,636,697.82