Finding the Fourth Proportional to 76,762.82, 105,925.14 and 42,770.00

Step by Step Solution

1. Step 1: Write the proportion equation
   76,762.82 : 105,925.14 = 42,770.00 : x
2. Step 2: Convert to fraction form
   76,762.82/105,925.14 = 42,770.00/x
3. Step 3: Cross multiply
   76,762.82x = 105,925.14 × 42,770.00
4. Step 4: Simplify right side
   76,762.82x = 4,530,418,502.61
5. Step 5: Solve for x
   x = 4,530,418,502.61/76,762.82
6. Step 6: Final answer
   x = 59,018.39