Finding the Fourth Proportional to 28,469,280.73, 42,695,090.15 and 10,271,110.10

Step by Step Solution

1. Step 1: Write the proportion equation
   28,469,280.73 : 42,695,090.15 = 10,271,110.10 : x
2. Step 2: Convert to fraction form
   28,469,280.73/42,695,090.15 = 10,271,110.10/x
3. Step 3: Cross multiply
   28,469,280.73x = 42,695,090.15 × 10,271,110.10
4. Step 4: Simplify right side
   28,469,280.73x = 438,525,971,472,277.88
5. Step 5: Solve for x
   x = 438,525,971,472,277.88/28,469,280.73
6. Step 6: Final answer
   x = 15,403,479.13