Finding the Fourth Proportional to 45,661,436.52, 68,493,401.34 and 13,312,557.16

Step by Step Solution

1. Step 1: Write the proportion equation
   45,661,436.52 : 68,493,401.34 = 13,312,557.16 : x
2. Step 2: Convert to fraction form
   45,661,436.52/68,493,401.34 = 13,312,557.16/x
3. Step 3: Cross multiply
   45,661,436.52x = 68,493,401.34 × 13,312,557.16
4. Step 4: Simplify right side
   45,661,436.52x = 911,822,320,421,570.62
5. Step 5: Solve for x
   x = 911,822,320,421,570.62/45,661,436.52
6. Step 6: Final answer
   x = 19,969,199.17