Finding the Fourth Proportional to 10,225,964.16, 14,111,820.72 and 5,642,285.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,225,964.16 : 14,111,820.72 = 5,642,285.76 : x
2. Step 2: Convert to fraction form
   10,225,964.16/14,111,820.72 = 5,642,285.76/x
3. Step 3: Cross multiply
   10,225,964.16x = 14,111,820.72 × 5,642,285.76
4. Step 4: Simplify right side
   10,225,964.16x = 79,622,925,096,128.95
5. Step 5: Solve for x
   x = 79,622,925,096,128.95/10,225,964.16
6. Step 6: Final answer
   x = 7,786,348.93