Finding the Fourth Proportional to 10,705,886.76, 14,736,785.25 and 9,240,444.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,705,886.76 : 14,736,785.25 = 9,240,444.57 : x
2. Step 2: Convert to fraction form
   10,705,886.76/14,736,785.25 = 9,240,444.57/x
3. Step 3: Cross multiply
   10,705,886.76x = 14,736,785.25 × 9,240,444.57
4. Step 4: Simplify right side
   10,705,886.76x = 136,174,447,242,618.59
5. Step 5: Solve for x
   x = 136,174,447,242,618.59/10,705,886.76
6. Step 6: Final answer
   x = 12,719,585.99