Finding the Fourth Proportional to 76,602.03, 105,702.73 and 42,604.98

Step by Step Solution

1. Step 1: Write the proportion equation
   76,602.03 : 105,702.73 = 42,604.98 : x
2. Step 2: Convert to fraction form
   76,602.03/105,702.73 = 42,604.98/x
3. Step 3: Cross multiply
   76,602.03x = 105,702.73 × 42,604.98
4. Step 4: Simplify right side
   76,602.03x = 4,503,462,697.60
5. Step 5: Solve for x
   x = 4,503,462,697.60/76,602.03
6. Step 6: Final answer
   x = 58,790.38