Finding the Fourth Proportional to 117,786,010.56, 176,679,060.72 and 117,615,804.54

Step by Step Solution

1. Step 1: Write the proportion equation
   117,786,010.56 : 176,679,060.72 = 117,615,804.54 : x
2. Step 2: Convert to fraction form
   117,786,010.56/176,679,060.72 = 117,615,804.54/x
3. Step 3: Cross multiply
   117,786,010.56x = 176,679,060.72 × 117,615,804.54
4. Step 4: Simplify right side
   117,786,010.56x = 20,780,249,871,954,312
5. Step 5: Solve for x
   x = 20,780,249,871,954,312/117,786,010.56
6. Step 6: Final answer
   x = 176,423,751.63