Finding the Fourth Proportional to 72,051.06, 107,994.52 and 45,045.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,051.06 : 107,994.52 = 45,045.82 : x
2. Step 2: Convert to fraction form
   72,051.06/107,994.52 = 45,045.82/x
3. Step 3: Cross multiply
   72,051.06x = 107,994.52 × 45,045.82
4. Step 4: Simplify right side
   72,051.06x = 4,864,701,646.82
5. Step 5: Solve for x
   x = 4,864,701,646.82/72,051.06
6. Step 6: Final answer
   x = 67,517.42