Finding the Fourth Proportional to 142,484,063.91, 196,628,386.71 and 77,293,967.91

Step by Step Solution

1. Step 1: Write the proportion equation
   142,484,063.91 : 196,628,386.71 = 77,293,967.91 : x
2. Step 2: Convert to fraction form
   142,484,063.91/196,628,386.71 = 77,293,967.91/x
3. Step 3: Cross multiply
   142,484,063.91x = 196,628,386.71 × 77,293,967.91
4. Step 4: Simplify right side
   142,484,063.91x = 15,198,188,212,557,810
5. Step 5: Solve for x
   x = 15,198,188,212,557,810/142,484,063.91
6. Step 6: Final answer
   x = 106,665,881.05