Finding the Fourth Proportional to 76,802.08, 105,973.98 and 42,803.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,802.08 : 105,973.98 = 42,803.10 : x
2. Step 2: Convert to fraction form
   76,802.08/105,973.98 = 42,803.10/x
3. Step 3: Cross multiply
   76,802.08x = 105,973.98 × 42,803.10
4. Step 4: Simplify right side
   76,802.08x = 4,536,014,863.34
5. Step 5: Solve for x
   x = 4,536,014,863.34/76,802.08
6. Step 6: Final answer
   x = 59,061.09