Finding the Fourth Proportional to 31,139,070.48, 42,971,746.19 and 17,201,384.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,139,070.48 : 42,971,746.19 = 17,201,384.42 : x
2. Step 2: Convert to fraction form
   31,139,070.48/42,971,746.19 = 17,201,384.42/x
3. Step 3: Cross multiply
   31,139,070.48x = 42,971,746.19 × 17,201,384.42
4. Step 4: Simplify right side
   31,139,070.48x = 739,173,525,111,994.75
5. Step 5: Solve for x
   x = 739,173,525,111,994.75/31,139,070.48
6. Step 6: Final answer
   x = 23,737,815.99