Finding the Fourth Proportional to 49,038.31, 73,631.28 and 28,002.11

Step by Step Solution

1. Step 1: Write the proportion equation
   49,038.31 : 73,631.28 = 28,002.11 : x
2. Step 2: Convert to fraction form
   49,038.31/73,631.28 = 28,002.11/x
3. Step 3: Cross multiply
   49,038.31x = 73,631.28 × 28,002.11
4. Step 4: Simplify right side
   49,038.31x = 2,061,830,781.34
5. Step 5: Solve for x
   x = 2,061,830,781.34/49,038.31
6. Step 6: Final answer
   x = 42,045.31