Finding the Fourth Proportional to 142,083,056.52, 196,074,616.14 and 76,892,960.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,083,056.52 : 196,074,616.14 = 76,892,960.52 : x
2. Step 2: Convert to fraction form
   142,083,056.52/196,074,616.14 = 76,892,960.52/x
3. Step 3: Cross multiply
   142,083,056.52x = 196,074,616.14 × 76,892,960.52
4. Step 4: Simplify right side
   142,083,056.52x = 15,076,757,717,827,172
5. Step 5: Solve for x
   x = 15,076,757,717,827,172/142,083,056.52
6. Step 6: Final answer
   x = 106,112,284.51