Finding the Fourth Proportional to 12,696,845.99, 17,522,728.07 and 7,191,200.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,696,845.99 : 17,522,728.07 = 7,191,200.25 : x
2. Step 2: Convert to fraction form
   12,696,845.99/17,522,728.07 = 7,191,200.25/x
3. Step 3: Cross multiply
   12,696,845.99x = 17,522,728.07 × 7,191,200.25
4. Step 4: Simplify right side
   12,696,845.99x = 126,009,446,441,710.03
5. Step 5: Solve for x
   x = 126,009,446,441,710.03/12,696,845.99
6. Step 6: Final answer
   x = 9,924,468.38