Finding the Fourth Proportional to 10,791,720.72, 14,886,056.88 and 7,119,331.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,791,720.72 : 14,886,056.88 = 7,119,331.92 : x
2. Step 2: Convert to fraction form
   10,791,720.72/14,886,056.88 = 7,119,331.92/x
3. Step 3: Cross multiply
   10,791,720.72x = 14,886,056.88 × 7,119,331.92
4. Step 4: Simplify right side
   10,791,720.72x = 105,978,779,908,719.61
5. Step 5: Solve for x
   x = 105,978,779,908,719.61/10,791,720.72
6. Step 6: Final answer
   x = 9,820,378.29