Finding the Fourth Proportional to 142,072,088, 196,059,481.60 and 76,881,992

Step by Step Solution

1. Step 1: Write the proportion equation
   142,072,088 : 196,059,481.60 = 76,881,992 : x
2. Step 2: Convert to fraction form
   142,072,088/196,059,481.60 = 76,881,992/x
3. Step 3: Cross multiply
   142,072,088x = 196,059,481.60 × 76,881,992
4. Step 4: Simplify right side
   142,072,088x = 15,073,443,495,895,346
5. Step 5: Solve for x
   x = 15,073,443,495,895,346/142,072,088
6. Step 6: Final answer
   x = 106,097,149.05