Finding the Fourth Proportional to 65,272,317.63, 90,071,357.85 and 37,774,379.31

Step by Step Solution

1. Step 1: Write the proportion equation
   65,272,317.63 : 90,071,357.85 = 37,774,379.31 : x
2. Step 2: Convert to fraction form
   65,272,317.63/90,071,357.85 = 37,774,379.31/x
3. Step 3: Cross multiply
   65,272,317.63x = 90,071,357.85 × 37,774,379.31
4. Step 4: Simplify right side
   65,272,317.63x = 3,402,389,636,455,308
5. Step 5: Solve for x
   x = 3,402,389,636,455,308/65,272,317.63
6. Step 6: Final answer
   x = 52,126,073.65