Finding the Fourth Proportional to 144,352, 216,562.72 and 45,856

Step by Step Solution

1. Step 1: Write the proportion equation
   144,352 : 216,562.72 = 45,856 : x
2. Step 2: Convert to fraction form
   144,352/216,562.72 = 45,856/x
3. Step 3: Cross multiply
   144,352x = 216,562.72 × 45,856
4. Step 4: Simplify right side
   144,352x = 9,930,700,088.32
5. Step 5: Solve for x
   x = 9,930,700,088.32/144,352
6. Step 6: Final answer
   x = 68,795.03