Finding the Fourth Proportional to 142,539,758.34, 196,704,866.52 and 77,349,662.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,539,758.34 : 196,704,866.52 = 77,349,662.34 : x
2. Step 2: Convert to fraction form
   142,539,758.34/196,704,866.52 = 77,349,662.34/x
3. Step 3: Cross multiply
   142,539,758.34x = 196,704,866.52 × 77,349,662.34
4. Step 4: Simplify right side
   142,539,758.34x = 15,215,055,005,956,772
5. Step 5: Solve for x
   x = 15,215,055,005,956,772/142,539,758.34
6. Step 6: Final answer
   x = 106,742,534.04