Finding the Fourth Proportional to 9,925.02, 14,888.83 and 5,245.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.02 : 14,888.83 = 5,245.21 : x
2. Step 2: Convert to fraction form
   9,925.02/14,888.83 = 5,245.21/x
3. Step 3: Cross multiply
   9,925.02x = 14,888.83 × 5,245.21
4. Step 4: Simplify right side
   9,925.02x = 78,095,060.27
5. Step 5: Solve for x
   x = 78,095,060.27/9,925.02
6. Step 6: Final answer
   x = 7,868.50