Finding the Fourth Proportional to 38,870.94, 53,667.72 and 29,902.62

Step by Step Solution

1. Step 1: Write the proportion equation
   38,870.94 : 53,667.72 = 29,902.62 : x
2. Step 2: Convert to fraction form
   38,870.94/53,667.72 = 29,902.62/x
3. Step 3: Cross multiply
   38,870.94x = 53,667.72 × 29,902.62
4. Step 4: Simplify right side
   38,870.94x = 1,604,805,437.43
5. Step 5: Solve for x
   x = 1,604,805,437.43/38,870.94
6. Step 6: Final answer
   x = 41,285.48