Finding the Fourth Proportional to 42,472,003.60, 63,723,751.80 and 16,931,342.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,472,003.60 : 63,723,751.80 = 16,931,342.80 : x
2. Step 2: Convert to fraction form
   42,472,003.60/63,723,751.80 = 16,931,342.80/x
3. Step 3: Cross multiply
   42,472,003.60x = 63,723,751.80 × 16,931,342.80
4. Step 4: Simplify right side
   42,472,003.60x = 1,078,928,686,227,917
5. Step 5: Solve for x
   x = 1,078,928,686,227,917/42,472,003.60
6. Step 6: Final answer
   x = 25,403,291.46