Finding the Fourth Proportional to 97,783.72, 134,941.70 and 53,071.72

Step by Step Solution

1. Step 1: Write the proportion equation
   97,783.72 : 134,941.70 = 53,071.72 : x
2. Step 2: Convert to fraction form
   97,783.72/134,941.70 = 53,071.72/x
3. Step 3: Cross multiply
   97,783.72x = 134,941.70 × 53,071.72
4. Step 4: Simplify right side
   97,783.72x = 7,161,588,118.72
5. Step 5: Solve for x
   x = 7,161,588,118.72/97,783.72
6. Step 6: Final answer
   x = 73,239.06