Finding the Fourth Proportional to 153,445.83, 211,746.89 and 84,521.88

Step by Step Solution

1. Step 1: Write the proportion equation
   153,445.83 : 211,746.89 = 84,521.88 : x
2. Step 2: Convert to fraction form
   153,445.83/211,746.89 = 84,521.88/x
3. Step 3: Cross multiply
   153,445.83x = 211,746.89 × 84,521.88
4. Step 4: Simplify right side
   153,445.83x = 17,897,244,804.34
5. Step 5: Solve for x
   x = 17,897,244,804.34/153,445.83
6. Step 6: Final answer
   x = 116,635.59