Finding the Fourth Proportional to 153,010.72, 211,154.00 and 84,101.77

Step by Step Solution

1. Step 1: Write the proportion equation
   153,010.72 : 211,154.00 = 84,101.77 : x
2. Step 2: Convert to fraction form
   153,010.72/211,154.00 = 84,101.77/x
3. Step 3: Cross multiply
   153,010.72x = 211,154.00 × 84,101.77
4. Step 4: Simplify right side
   153,010.72x = 17,758,424,451.28
5. Step 5: Solve for x
   x = 17,758,424,451.28/153,010.72
6. Step 6: Final answer
   x = 116,060.00