Finding the Fourth Proportional to 52,870.51, 72,963.35 and 28,998.19

Step by Step Solution

1. Step 1: Write the proportion equation
   52,870.51 : 72,963.35 = 28,998.19 : x
2. Step 2: Convert to fraction form
   52,870.51/72,963.35 = 28,998.19/x
3. Step 3: Cross multiply
   52,870.51x = 72,963.35 × 28,998.19
4. Step 4: Simplify right side
   52,870.51x = 2,115,805,086.34
5. Step 5: Solve for x
   x = 2,115,805,086.34/52,870.51
6. Step 6: Final answer
   x = 40,018.62