Finding the Fourth Proportional to 142,824,030.06, 197,118,706.23 and 87,101,777.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,824,030.06 : 197,118,706.23 = 87,101,777.82 : x
2. Step 2: Convert to fraction form
   142,824,030.06/197,118,706.23 = 87,101,777.82/x
3. Step 3: Cross multiply
   142,824,030.06x = 197,118,706.23 × 87,101,777.82
4. Step 4: Simplify right side
   142,824,030.06x = 17,169,389,754,211,308
5. Step 5: Solve for x
   x = 17,169,389,754,211,308/142,824,030.06
6. Step 6: Final answer
   x = 120,213,592.54