Finding the Fourth Proportional to 12,839,492.82, 17,716,608.71 and 7,807,675.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,839,492.82 : 17,716,608.71 = 7,807,675.55 : x
2. Step 2: Convert to fraction form
   12,839,492.82/17,716,608.71 = 7,807,675.55/x
3. Step 3: Cross multiply
   12,839,492.82x = 17,716,608.71 × 7,807,675.55
4. Step 4: Simplify right side
   12,839,492.82x = 138,325,532,526,362.61
5. Step 5: Solve for x
   x = 138,325,532,526,362.61/12,839,492.82
6. Step 6: Final answer
   x = 10,773,442.10