Finding the Fourth Proportional to 10,680,429.12, 16,024,220.64 and 3,492,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,680,429.12 : 16,024,220.64 = 3,492,294.72 : x
2. Step 2: Convert to fraction form
   10,680,429.12/16,024,220.64 = 3,492,294.72/x
3. Step 3: Cross multiply
   10,680,429.12x = 16,024,220.64 × 3,492,294.72
4. Step 4: Simplify right side
   10,680,429.12x = 55,961,301,133,187.02
5. Step 5: Solve for x
   x = 55,961,301,133,187.02/10,680,429.12
6. Step 6: Final answer
   x = 5,239,611.68