Finding the Fourth Proportional to 76,095.16, 105,009.30 and 42,102.76

Step by Step Solution

1. Step 1: Write the proportion equation
   76,095.16 : 105,009.30 = 42,102.76 : x
2. Step 2: Convert to fraction form
   76,095.16/105,009.30 = 42,102.76/x
3. Step 3: Cross multiply
   76,095.16x = 105,009.30 × 42,102.76
4. Step 4: Simplify right side
   76,095.16x = 4,421,181,355.67
5. Step 5: Solve for x
   x = 4,421,181,355.67/76,095.16
6. Step 6: Final answer
   x = 58,100.69