Finding the Fourth Proportional to 85,786,544.34, 128,607,492.42 and 37,227,817.89

Step by Step Solution

1. Step 1: Write the proportion equation
   85,786,544.34 : 128,607,492.42 = 37,227,817.89 : x
2. Step 2: Convert to fraction form
   85,786,544.34/128,607,492.42 = 37,227,817.89/x
3. Step 3: Cross multiply
   85,786,544.34x = 128,607,492.42 × 37,227,817.89
4. Step 4: Simplify right side
   85,786,544.34x = 4,787,776,307,101,316
5. Step 5: Solve for x
   x = 4,787,776,307,101,316/85,786,544.34
6. Step 6: Final answer
   x = 55,810,341.17