Finding the Fourth Proportional to 34,978,320.51, 52,474,205.78 and 13,411,240.15

Step by Step Solution

1. Step 1: Write the proportion equation
   34,978,320.51 : 52,474,205.78 = 13,411,240.15 : x
2. Step 2: Convert to fraction form
   34,978,320.51/52,474,205.78 = 13,411,240.15/x
3. Step 3: Cross multiply
   34,978,320.51x = 52,474,205.78 × 13,411,240.15
4. Step 4: Simplify right side
   34,978,320.51x = 703,744,175,396,098.12
5. Step 5: Solve for x
   x = 703,744,175,396,098.12/34,978,320.51
6. Step 6: Final answer
   x = 20,119,438.70