Finding the Fourth Proportional to 93,005.61, 139,464.63 and 64,957.34

Step by Step Solution

1. Step 1: Write the proportion equation
   93,005.61 : 139,464.63 = 64,957.34 : x
2. Step 2: Convert to fraction form
   93,005.61/139,464.63 = 64,957.34/x
3. Step 3: Cross multiply
   93,005.61x = 139,464.63 × 64,957.34
4. Step 4: Simplify right side
   93,005.61x = 9,059,250,691.56
5. Step 5: Solve for x
   x = 9,059,250,691.56/93,005.61
6. Step 6: Final answer
   x = 97,405.42