Finding the Fourth Proportional to 31,030,900.99, 42,822,643.20 and 17,985,726.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,030,900.99 : 42,822,643.20 = 17,985,726.71 : x
2. Step 2: Convert to fraction form
   31,030,900.99/42,822,643.20 = 17,985,726.71/x
3. Step 3: Cross multiply
   31,030,900.99x = 42,822,643.20 × 17,985,726.71
4. Step 4: Simplify right side
   31,030,900.99x = 770,196,357,562,554.75
5. Step 5: Solve for x
   x = 770,196,357,562,554.75/31,030,900.99
6. Step 6: Final answer
   x = 24,820,302.76