Finding the Fourth Proportional to 42,243,796.23, 58,403,051.97 and 31,213,148.19

Step by Step Solution

1. Step 1: Write the proportion equation
   42,243,796.23 : 58,403,051.97 = 31,213,148.19 : x
2. Step 2: Convert to fraction form
   42,243,796.23/58,403,051.97 = 31,213,148.19/x
3. Step 3: Cross multiply
   42,243,796.23x = 58,403,051.97 × 31,213,148.19
4. Step 4: Simplify right side
   42,243,796.23x = 1,822,943,115,887,881.50
5. Step 5: Solve for x
   x = 1,822,943,115,887,881.50/42,243,796.23
6. Step 6: Final answer
   x = 43,152,918.97