Finding the Fourth Proportional to 134,498.72, 185,630.32 and 102,607.36

Step by Step Solution

1. Step 1: Write the proportion equation
   134,498.72 : 185,630.32 = 102,607.36 : x
2. Step 2: Convert to fraction form
   134,498.72/185,630.32 = 102,607.36/x
3. Step 3: Cross multiply
   134,498.72x = 185,630.32 × 102,607.36
4. Step 4: Simplify right side
   134,498.72x = 19,047,037,071.16
5. Step 5: Solve for x
   x = 19,047,037,071.16/134,498.72
6. Step 6: Final answer
   x = 141,615.01