Finding the Fourth Proportional to 28,468,469.34, 42,715,716.48 and 15,495,185.34

Step by Step Solution

1. Step 1: Write the proportion equation
   28,468,469.34 : 42,715,716.48 = 15,495,185.34 : x
2. Step 2: Convert to fraction form
   28,468,469.34/42,715,716.48 = 15,495,185.34/x
3. Step 3: Cross multiply
   28,468,469.34x = 42,715,716.48 × 15,495,185.34
4. Step 4: Simplify right side
   28,468,469.34x = 661,887,943,788,492.38
5. Step 5: Solve for x
   x = 661,887,943,788,492.38/28,468,469.34
6. Step 6: Final answer
   x = 23,249,860.60