Finding the Fourth Proportional to 32,838.31, 45,317.98 and 19,421.07

Step by Step Solution

1. Step 1: Write the proportion equation
   32,838.31 : 45,317.98 = 19,421.07 : x
2. Step 2: Convert to fraction form
   32,838.31/45,317.98 = 19,421.07/x
3. Step 3: Cross multiply
   32,838.31x = 45,317.98 × 19,421.07
4. Step 4: Simplify right side
   32,838.31x = 880,123,516.17
5. Step 5: Solve for x
   x = 880,123,516.17/32,838.31
6. Step 6: Final answer
   x = 26,801.73