Finding the Fourth Proportional to 10,138,826.24, 13,991,522.69 and 5,492,701.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,138,826.24 : 13,991,522.69 = 5,492,701.78 : x
2. Step 2: Convert to fraction form
   10,138,826.24/13,991,522.69 = 5,492,701.78/x
3. Step 3: Cross multiply
   10,138,826.24x = 13,991,522.69 × 5,492,701.78
4. Step 4: Simplify right side
   10,138,826.24x = 76,851,261,570,541.64
5. Step 5: Solve for x
   x = 76,851,261,570,541.64/10,138,826.24
6. Step 6: Final answer
   x = 7,579,897.29