Finding the Fourth Proportional to 10,775,111.80, 14,869,969.28 and 5,880,648.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,775,111.80 : 14,869,969.28 = 5,880,648.19 : x
2. Step 2: Convert to fraction form
   10,775,111.80/14,869,969.28 = 5,880,648.19/x
3. Step 3: Cross multiply
   10,775,111.80x = 14,869,969.28 × 5,880,648.19
4. Step 4: Simplify right side
   10,775,111.80x = 87,445,057,931,787.61
5. Step 5: Solve for x
   x = 87,445,057,931,787.61/10,775,111.80
6. Step 6: Final answer
   x = 8,115,466.42