Finding the Fourth Proportional to 10,570.32, 14,577.03 and 7,916.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.32 : 14,577.03 = 7,916.76 : x
2. Step 2: Convert to fraction form
   10,570.32/14,577.03 = 7,916.76/x
3. Step 3: Cross multiply
   10,570.32x = 14,577.03 × 7,916.76
4. Step 4: Simplify right side
   10,570.32x = 115,402,848.02
5. Step 5: Solve for x
   x = 115,402,848.02/10,570.32
6. Step 6: Final answer
   x = 10,917.63