Finding the Fourth Proportional to 21,387,404.60, 32,088,980.10 and 7,010,941.40

Step by Step Solution

1. Step 1: Write the proportion equation
   21,387,404.60 : 32,088,980.10 = 7,010,941.40 : x
2. Step 2: Convert to fraction form
   21,387,404.60/32,088,980.10 = 7,010,941.40/x
3. Step 3: Cross multiply
   21,387,404.60x = 32,088,980.10 × 7,010,941.40
4. Step 4: Simplify right side
   21,387,404.60x = 224,973,959,066,866.16
5. Step 5: Solve for x
   x = 224,973,959,066,866.16/21,387,404.60
6. Step 6: Final answer
   x = 10,518,992.99