Finding the Fourth Proportional to 12,249,399.02, 18,386,866.83 and 5,430,760.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,249,399.02 : 18,386,866.83 = 5,430,760.46 : x
2. Step 2: Convert to fraction form
   12,249,399.02/18,386,866.83 = 5,430,760.46/x
3. Step 3: Cross multiply
   12,249,399.02x = 18,386,866.83 × 5,430,760.46
4. Step 4: Simplify right side
   12,249,399.02x = 99,854,669,363,649.53
5. Step 5: Solve for x
   x = 99,854,669,363,649.53/12,249,399.02
6. Step 6: Final answer
   x = 8,151,801.50