Finding the Fourth Proportional to 134,152,085.34, 184,998,363.78 and 85,174,482.78

Step by Step Solution

1. Step 1: Write the proportion equation
   134,152,085.34 : 184,998,363.78 = 85,174,482.78 : x
2. Step 2: Convert to fraction form
   134,152,085.34/184,998,363.78 = 85,174,482.78/x
3. Step 3: Cross multiply
   134,152,085.34x = 184,998,363.78 × 85,174,482.78
4. Step 4: Simplify right side
   134,152,085.34x = 15,757,139,950,107,786
5. Step 5: Solve for x
   x = 15,757,139,950,107,786/134,152,085.34
6. Step 6: Final answer
   x = 117,457,286.71