Finding the Fourth Proportional to 10,062,366.72, 13,886,314.88 and 5,478,938.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,062,366.72 : 13,886,314.88 = 5,478,938.88 : x
2. Step 2: Convert to fraction form
   10,062,366.72/13,886,314.88 = 5,478,938.88/x
3. Step 3: Cross multiply
   10,062,366.72x = 13,886,314.88 × 5,478,938.88
4. Step 4: Simplify right side
   10,062,366.72x = 76,082,270,495,954.53
5. Step 5: Solve for x
   x = 76,082,270,495,954.53/10,062,366.72
6. Step 6: Final answer
   x = 7,561,071.13