Finding the Fourth Proportional to 70,777,971.86, 106,172,983.34 and 21,604,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   70,777,971.86 : 106,172,983.34 = 21,604,870.10 : x
2. Step 2: Convert to fraction form
   70,777,971.86/106,172,983.34 = 21,604,870.10/x
3. Step 3: Cross multiply
   70,777,971.86x = 106,172,983.34 × 21,604,870.10
4. Step 4: Simplify right side
   70,777,971.86x = 2,293,853,513,190,164.50
5. Step 5: Solve for x
   x = 2,293,853,513,190,164.50/70,777,971.86
6. Step 6: Final answer
   x = 32,409,144.44