Finding the Fourth Proportional to 116,338,519.38, 160,547,117.61 and 64,128,426.96

Step by Step Solution

1. Step 1: Write the proportion equation
   116,338,519.38 : 160,547,117.61 = 64,128,426.96 : x
2. Step 2: Convert to fraction form
   116,338,519.38/160,547,117.61 = 64,128,426.96/x
3. Step 3: Cross multiply
   116,338,519.38x = 160,547,117.61 × 64,128,426.96
4. Step 4: Simplify right side
   116,338,519.38x = 10,295,634,105,291,416
5. Step 5: Solve for x
   x = 10,295,634,105,291,416/116,338,519.38
6. Step 6: Final answer
   x = 88,497,207.63