Finding the Fourth Proportional to 13,499,915.63, 20,251,977.01 and 4,399,901.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499,915.63 : 20,251,977.01 = 4,399,901.98 : x
2. Step 2: Convert to fraction form
   13,499,915.63/20,251,977.01 = 4,399,901.98/x
3. Step 3: Cross multiply
   13,499,915.63x = 20,251,977.01 × 4,399,901.98
4. Step 4: Simplify right side
   13,499,915.63x = 89,106,713,683,583.78
5. Step 5: Solve for x
   x = 89,106,713,683,583.78/13,499,915.63
6. Step 6: Final answer
   x = 6,600,538.56