Finding the Fourth Proportional to 9,798,128.04, 14,665,746.78 and 5,237,776.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,798,128.04 : 14,665,746.78 = 5,237,776.20 : x
2. Step 2: Convert to fraction form
   9,798,128.04/14,665,746.78 = 5,237,776.20/x
3. Step 3: Cross multiply
   9,798,128.04x = 14,665,746.78 × 5,237,776.20
4. Step 4: Simplify right side
   9,798,128.04x = 76,815,899,439,510.64
5. Step 5: Solve for x
   x = 76,815,899,439,510.64/9,798,128.04
6. Step 6: Final answer
   x = 7,839,854.63