Finding the Fourth Proportional to 28,172,259.60, 42,221,064.60 and 24,962,326.80

Step by Step Solution

1. Step 1: Write the proportion equation
   28,172,259.60 : 42,221,064.60 = 24,962,326.80 : x
2. Step 2: Convert to fraction form
   28,172,259.60/42,221,064.60 = 24,962,326.80/x
3. Step 3: Cross multiply
   28,172,259.60x = 42,221,064.60 × 24,962,326.80
4. Step 4: Simplify right side
   28,172,259.60x = 1,053,936,012,389,111.38
5. Step 5: Solve for x
   x = 1,053,936,012,389,111.38/28,172,259.60
6. Step 6: Final answer
   x = 37,410,418.17