Finding the Fourth Proportional to 42,988.16, 64,521.12 and 29,846.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,988.16 : 64,521.12 = 29,846.72 : x
2. Step 2: Convert to fraction form
   42,988.16/64,521.12 = 29,846.72/x
3. Step 3: Cross multiply
   42,988.16x = 64,521.12 × 29,846.72
4. Step 4: Simplify right side
   42,988.16x = 1,925,743,802.73
5. Step 5: Solve for x
   x = 1,925,743,802.73/42,988.16
6. Step 6: Final answer
   x = 44,797.07