Finding the Fourth Proportional to 93,499.51, 140,261.40 and 42,886.33

Step by Step Solution

1. Step 1: Write the proportion equation
   93,499.51 : 140,261.40 = 42,886.33 : x
2. Step 2: Convert to fraction form
   93,499.51/140,261.40 = 42,886.33/x
3. Step 3: Cross multiply
   93,499.51x = 140,261.40 × 42,886.33
4. Step 4: Simplify right side
   93,499.51x = 6,015,296,701.17
5. Step 5: Solve for x
   x = 6,015,296,701.17/93,499.51
6. Step 6: Final answer
   x = 64,335.06