Finding the Fourth Proportional to 9,307,103.31, 12,839,604.84 and 5,437,884.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,307,103.31 : 12,839,604.84 = 5,437,884.78 : x
2. Step 2: Convert to fraction form
   9,307,103.31/12,839,604.84 = 5,437,884.78/x
3. Step 3: Cross multiply
   9,307,103.31x = 12,839,604.84 × 5,437,884.78
4. Step 4: Simplify right side
   9,307,103.31x = 69,820,291,740,650.34
5. Step 5: Solve for x
   x = 69,820,291,740,650.34/9,307,103.31
6. Step 6: Final answer
   x = 7,501,828.38