Finding the Fourth Proportional to 38,117.84, 52,601.83 and 21,121.93

Step by Step Solution

1. Step 1: Write the proportion equation
   38,117.84 : 52,601.83 = 21,121.93 : x
2. Step 2: Convert to fraction form
   38,117.84/52,601.83 = 21,121.93/x
3. Step 3: Cross multiply
   38,117.84x = 52,601.83 × 21,121.93
4. Step 4: Simplify right side
   38,117.84x = 1,111,052,065.52
5. Step 5: Solve for x
   x = 1,111,052,065.52/38,117.84
6. Step 6: Final answer
   x = 29,147.83