Finding the Fourth Proportional to 85,667,128.96, 128,547,841.92 and 37,145,355.52

Step by Step Solution

1. Step 1: Write the proportion equation
   85,667,128.96 : 128,547,841.92 = 37,145,355.52 : x
2. Step 2: Convert to fraction form
   85,667,128.96/128,547,841.92 = 37,145,355.52/x
3. Step 3: Cross multiply
   85,667,128.96x = 128,547,841.92 × 37,145,355.52
4. Step 4: Simplify right side
   85,667,128.96x = 4,774,955,289,447,160
5. Step 5: Solve for x
   x = 4,774,955,289,447,160/85,667,128.96
6. Step 6: Final answer
   x = 55,738,476.91