Finding the Fourth Proportional to 52,459.29, 78,638.72 and 17,379.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,459.29 : 78,638.72 = 17,379.81 : x
2. Step 2: Convert to fraction form
   52,459.29/78,638.72 = 17,379.81/x
3. Step 3: Cross multiply
   52,459.29x = 78,638.72 × 17,379.81
4. Step 4: Simplify right side
   52,459.29x = 1,366,725,925.34
5. Step 5: Solve for x
   x = 1,366,725,925.34/52,459.29
6. Step 6: Final answer
   x = 26,053.08