Finding the Fourth Proportional to 76,238.95, 105,210.37 and 42,248.01

Step by Step Solution

1. Step 1: Write the proportion equation
   76,238.95 : 105,210.37 = 42,248.01 : x
2. Step 2: Convert to fraction form
   76,238.95/105,210.37 = 42,248.01/x
3. Step 3: Cross multiply
   76,238.95x = 105,210.37 × 42,248.01
4. Step 4: Simplify right side
   76,238.95x = 4,444,928,263.70
5. Step 5: Solve for x
   x = 4,444,928,263.70/76,238.95
6. Step 6: Final answer
   x = 58,302.59