Finding the Fourth Proportional to 123,857,810.72, 185,663,997.46 and 58,161,345.33

Step by Step Solution

1. Step 1: Write the proportion equation
   123,857,810.72 : 185,663,997.46 = 58,161,345.33 : x
2. Step 2: Convert to fraction form
   123,857,810.72/185,663,997.46 = 58,161,345.33/x
3. Step 3: Cross multiply
   123,857,810.72x = 185,663,997.46 × 58,161,345.33
4. Step 4: Simplify right side
   123,857,810.72x = 10,798,467,871,503,264
5. Step 5: Solve for x
   x = 10,798,467,871,503,264/123,857,810.72
6. Step 6: Final answer
   x = 87,184,391.59