Finding the Fourth Proportional to 116,338,513.77, 160,547,109.84 and 64,128,421.33

Step by Step Solution

1. Step 1: Write the proportion equation
   116,338,513.77 : 160,547,109.84 = 64,128,421.33 : x
2. Step 2: Convert to fraction form
   116,338,513.77/160,547,109.84 = 64,128,421.33/x
3. Step 3: Cross multiply
   116,338,513.77x = 160,547,109.84 × 64,128,421.33
4. Step 4: Simplify right side
   116,338,513.77x = 10,295,632,702,731,942
5. Step 5: Solve for x
   x = 10,295,632,702,731,942/116,338,513.77
6. Step 6: Final answer
   x = 88,497,199.84