Finding the Fourth Proportional to 9,868,019.52, 13,620,142.88 and 6,424,264

Step by Step Solution

1. Step 1: Write the proportion equation
   9,868,019.52 : 13,620,142.88 = 6,424,264 : x
2. Step 2: Convert to fraction form
   9,868,019.52/13,620,142.88 = 6,424,264/x
3. Step 3: Cross multiply
   9,868,019.52x = 13,620,142.88 × 6,424,264
4. Step 4: Simplify right side
   9,868,019.52x = 87,499,393,578,840.33
5. Step 5: Solve for x
   x = 87,499,393,578,840.33/9,868,019.52
6. Step 6: Final answer
   x = 8,866,966.00