Finding the Fourth Proportional to 42,279.68, 58,345.83 and 23,416.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,279.68 : 58,345.83 = 23,416.80 : x
2. Step 2: Convert to fraction form
   42,279.68/58,345.83 = 23,416.80/x
3. Step 3: Cross multiply
   42,279.68x = 58,345.83 × 23,416.80
4. Step 4: Simplify right side
   42,279.68x = 1,366,272,631.94
5. Step 5: Solve for x
   x = 1,366,272,631.94/42,279.68
6. Step 6: Final answer
   x = 32,315.12