Finding the Fourth Proportional to 93,443.82, 128,955.18 and 51,005.10

Step by Step Solution

1. Step 1: Write the proportion equation
   93,443.82 : 128,955.18 = 51,005.10 : x
2. Step 2: Convert to fraction form
   93,443.82/128,955.18 = 51,005.10/x
3. Step 3: Cross multiply
   93,443.82x = 128,955.18 × 51,005.10
4. Step 4: Simplify right side
   93,443.82x = 6,577,371,851.42
5. Step 5: Solve for x
   x = 6,577,371,851.42/93,443.82
6. Step 6: Final answer
   x = 70,388.52